package org.csmzxy.class2333;

public class example18 {
    public static void main(String[] args){
        int[] arr=new int[3];
        System.out.println("arr[0]="+arr[0]);
        System.out.println("arr[1]="+arr[1]);
        System.out.println("arr[2]="+arr[2]);
        System.out.println("数组的长度是"+arr.length);
    }
}
